It also had a lot of part replaced for free, keyboard, hard drive, bottom chassis. It's been working flawlessly since it got his mainboard completely replaced a year ago due to the recall on these models (A1297). Is this likely to be some fault with the RAM modules, or is it something more serious? My friends are a bit confused as to why it behaves so strangely, that it is sometimes beeping and sometimes working fine.Hey everybody, I have a late 2011 MBP 17 in that I love dearly. The computer was dropped on a hard airport floor once, a few months before this started happening.

I also have problems with the CD drive, but I don't use that very often, so am not sure when those problems started. In the last couple weeks the same beeping sound has also appeared when the computer was turned on, much louder than the startup one. It seems that the beeping and freezing is most likely to happen when I move it in one way or the other. Every time I take the RAM modules out and put them in again it takes less time before the problem reappears. Again the mac worked fine, put this time for a shorter period. So I took the RAM out and put them in again, to ensure that they were properly in place. So we took both RAM modules out and put them in again.Īfter this, my mac worked fine for almost a month, before the same things started happening again. I told this to some friends, and they said the beeping is a typical sign that something is wrong with the RAM. Other times it just froze, and no keyboard shortcuts worked. When the computer was on, a 'black curtain' (see through) sometimes came down over the screen, and I was told to restart the computer. But it only did it occasionally, other times the start up went fine. About two months ago, my Macbook pro (2,5 years) started beeping when I tried to turn it on.

Macbook pro 3 beeps after startup chime